WO2019068118A1 - SCHWEIßGUT - Google Patents
SCHWEIßGUT Download PDFInfo
- Publication number
- WO2019068118A1 WO2019068118A1 PCT/AT2018/000083 AT2018000083W WO2019068118A1 WO 2019068118 A1 WO2019068118 A1 WO 2019068118A1 AT 2018000083 W AT2018000083 W AT 2018000083W WO 2019068118 A1 WO2019068118 A1 WO 2019068118A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- weld metal
- flux cored
- electrode according
- optionally
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3608—Titania or titanates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
Definitions
- the invention relates to a weld metal and a rutile flux cored electrode for producing the weld metal according to the invention, comprising a filling powder and a
- Austenitic CrNi steels and in particular the welded joints in transport and storage containers for liquid gases, are subject to high demands because of high pressures and low temperatures
- the materials used must therefore have sufficient mechanical properties, in particular sufficient toughness at low temperatures, in order to be suitable for applications of this kind.
- the strength of the weld metal is below that of the base material, so that the weld metal a
- Austenitic structure comprising the following alloying elements:
- the weld metal produced from this solid wire electrode has the following mechanical properties:
- rutile flux cored electrodes have been known for producing a weld metal.
- the filling of rutile flux cored electrodes consists in
- Rutile flux-cored electrodes provide, among other things, a high welding speed and a high deposition rate combined with excellent seam quality.
- the slag protects the seam surface from oxidation and, in addition, has a supporting effect in forced-position welding, in particular a vertical one
- a disadvantage of the known rutile flux-cored electrodes are the poorer compared to solid wire electrodes mechanical properties of the weld metal, in particular the lower impact energy at lower temperatures.
- the invention therefore aims to a weld metal
- the invention according to a first aspect provides a weld metal of the type mentioned, which has the following directional analysis:
- a weld metal with the following
- a weld metal corresponding to this directional analysis has particularly good mechanical properties, in particular a high notched impact strength at low temperatures, and in addition good welding properties, in particular good weldability
- the weld metal preferably has an austenitic structure. It is particularly preferred that the weld metal has a tensile strength of greater than 600 MPa, preferably greater than 605 MPa, particularly preferably at least 610 MPa (measured in a tensile test according to EN ISO 6892-1).
- the weld metal has a notch impact work at +20 ° C. of greater than 80 J, preferably greater than 90 J, particularly preferably at least 100 J.
- weld metal a is preferably provided that the weld metal a
- weld metal a is preferably provided that the weld metal a
- Elongation at break A5 of greater than 30%, preferably greater than 35%.
- the elongation at break is determined in a tensile test according to EN ISO 6892-1, wherein the ratio of the initial measuring length Lo to the initial diameter do of the sample is 5.
- the invention provides a rutile flux-cored wire electrode for producing a weld metal according to the invention, comprising a filler powder and a shell enclosing the filler powder
- Filler powder 0.1-2.0% by weight of carbon, 30-40% by weight of manganese, 2.5-3.0% by weight of chromium, 11-17% by weight of nickel, 6.5-8 Wt .-% tungsten, 1-3 wt .-% titanium and 20-30 wt .-% Ti0 2 includes.
- the above-described weld metal can be produced, which especially good mechanical and technological properties and at the same time has a good weldability.
- the filler powder further 0.5-2 wt.% Silicon, 0.001-0.1 wt .-% phosphorus, 0.001-0.1 wt .-% sulfur, 0.01-0.1 wt. % Molybdenum, 0.5-2% by weight aluminum, 3-6% by weight iron, 5-15 pg / g boron and / or 400-800 yg / g
- Bismuth includes. This allows the mechanical
- the filling powder has the following
- Mn 33-37% by weight, especially 35.90% by weight
- W 7-7.5 wt.%, Especially 7.10 wt.%
- TiO 2 22-28 wt .-%, in particular 25 wt .-%, and optionally:
- Si 1-1.5 wt.%, Especially 1.20 wt.%
- Al 1-1.5 wt.%, Especially 1.20 wt.%
- Bi 600-700 ig / q, especially 625.5 ig / g.
- the filling powder further comprises
- Co 0.05-0.20% by weight.
- Ni 10.10% by weight, and optionally:
- the weight of the filling powder is between 25 and 35%, preferably 29%, of the weight of the filler wire electrode. This value is also called fill level.
- the degree of filling is chosen such that the
- Flux wire electrode deposits a weld metal according to the first aspect of the invention.
- the envelope is formed by a, preferably overlapping, closed band. This makes the case easy and efficient
- This rutile flux cored electrodes with a sheath and a
- the filling powder has the following directional analysis:
- the shell has the following directional analysis:
- the weld metal was in each case using a protective gas welding process for connecting two plates
- Rutilen flux wire electrode described produced The degree of filling of the cored wire electrode in this example is 29%.
- Example 2 In a second embodiment, a weld stock was subjected to the following directional analysis using the above
- the filler powder has reduced values compared to Example 1 in wt .-% of Mn, Ni, Al and W and increased values of Co and Ti. To compensate were arc stabilizing
- the filling powder has reduced values in wt .-% of Mn and W compared to the example 1 and increased values of Ni.
- Cored wire electrode is 29% in this example.
- a weld stock was prepared with the following directional analysis using a flux-cored wire electrode known in the art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18785804.8A EP3691823B1 (de) | 2017-10-04 | 2018-10-04 | Schweissgut und rutile fülldrahtelectrode |
KR1020207012415A KR102479893B1 (ko) | 2017-10-04 | 2018-10-04 | 용접 금속 |
JP2020540660A JP7224357B2 (ja) | 2017-10-04 | 2018-10-04 | 溶接金属 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17450010.8 | 2017-10-04 | ||
EP17450010.8A EP3466585A1 (de) | 2017-10-04 | 2017-10-04 | Schweissgut |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019068118A1 true WO2019068118A1 (de) | 2019-04-11 |
Family
ID=60164632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2018/000083 WO2019068118A1 (de) | 2017-10-04 | 2018-10-04 | SCHWEIßGUT |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP3466585A1 (de) |
JP (1) | JP7224357B2 (de) |
KR (1) | KR102479893B1 (de) |
PT (1) | PT3691823T (de) |
WO (1) | WO2019068118A1 (de) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT298929B (de) * | 1970-05-15 | 1972-05-25 | Boehler & Co Ag Geb | Schweißzusatzmaterial zur Herstellung von kornzerfallbeständigen, stabil-austenitischen, unmagnetisierbaren Schweißungen |
DE2326442A1 (de) * | 1973-05-24 | 1974-12-12 | Kuntze Roehrenwerk Gmbh | Anwendung des unterpulverschweissverfahrens mit mindestens zwei schweissdraehten zum schweissen kaltzaeher nickelstaehle |
GB1384945A (en) * | 1972-04-21 | 1975-02-26 | Armco Steel Corp | Austenitic alloy and weld |
US4294614A (en) * | 1979-10-17 | 1981-10-13 | Teledyne Industries, Inc. | Austenitic iron-base cryogenic alloy and arc welding electrode for depositing the same |
JPS62197294A (ja) * | 1986-02-24 | 1987-08-31 | Kawasaki Steel Corp | オ−ステナイト系ステンレス鋼のミグ・ア−ク溶接用ワイヤ |
JPH01215493A (ja) * | 1988-02-22 | 1989-08-29 | Nippon Steel Corp | オーステナイト系ステンレス鋼溶接用フラックス入りワイヤ |
JP3027313B2 (ja) * | 1995-03-31 | 2000-04-04 | 株式会社神戸製鋼所 | オーステナイト系ステンレス鋼用フラックス入りワイヤ |
EP1647351A1 (de) * | 2004-10-18 | 2006-04-19 | Lincoln Global, Inc. | Selbstabgeschirmte Schweisselektrode mit Flussmittelkern |
KR20170088762A (ko) * | 2016-01-25 | 2017-08-02 | 가부시키가이샤 고베 세이코쇼 | 스테인리스강 플럭스 코어드 와이어 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10128578A (ja) * | 1996-10-31 | 1998-05-19 | Kobe Steel Ltd | Cr−Ni系ステンレス鋼フラックス入りワイヤ |
JP2005028372A (ja) * | 2003-07-08 | 2005-02-03 | Jfe Steel Kk | 溶接材料及び鋼構造物用溶接継手 |
JP4697174B2 (ja) * | 2007-04-11 | 2011-06-08 | 株式会社豊田自動織機 | ガイドローラ及び繊維束配列装置 |
JP5411820B2 (ja) * | 2010-09-06 | 2014-02-12 | 株式会社神戸製鋼所 | フラックス入り溶接ワイヤ及びこれを用いた肉盛溶接のアーク溶接方法 |
JP6560881B2 (ja) * | 2015-03-26 | 2019-08-14 | 日鉄ステンレス株式会社 | 極低透磁率ステンレス鋼線材、ならびに耐久性に優れる鋼線、異形線 |
JP6671157B2 (ja) | 2015-07-06 | 2020-03-25 | 日鉄ステンレス株式会社 | ステンレス鋼溶接用フラックス入りワイヤ、ステンレス鋼溶接継手、及び、その製造方法 |
-
2017
- 2017-10-04 EP EP17450010.8A patent/EP3466585A1/de not_active Withdrawn
-
2018
- 2018-10-04 KR KR1020207012415A patent/KR102479893B1/ko active IP Right Grant
- 2018-10-04 JP JP2020540660A patent/JP7224357B2/ja active Active
- 2018-10-04 EP EP18785804.8A patent/EP3691823B1/de active Active
- 2018-10-04 PT PT187858048T patent/PT3691823T/pt unknown
- 2018-10-04 WO PCT/AT2018/000083 patent/WO2019068118A1/de unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT298929B (de) * | 1970-05-15 | 1972-05-25 | Boehler & Co Ag Geb | Schweißzusatzmaterial zur Herstellung von kornzerfallbeständigen, stabil-austenitischen, unmagnetisierbaren Schweißungen |
GB1384945A (en) * | 1972-04-21 | 1975-02-26 | Armco Steel Corp | Austenitic alloy and weld |
DE2326442A1 (de) * | 1973-05-24 | 1974-12-12 | Kuntze Roehrenwerk Gmbh | Anwendung des unterpulverschweissverfahrens mit mindestens zwei schweissdraehten zum schweissen kaltzaeher nickelstaehle |
US4294614A (en) * | 1979-10-17 | 1981-10-13 | Teledyne Industries, Inc. | Austenitic iron-base cryogenic alloy and arc welding electrode for depositing the same |
JPS62197294A (ja) * | 1986-02-24 | 1987-08-31 | Kawasaki Steel Corp | オ−ステナイト系ステンレス鋼のミグ・ア−ク溶接用ワイヤ |
JPH01215493A (ja) * | 1988-02-22 | 1989-08-29 | Nippon Steel Corp | オーステナイト系ステンレス鋼溶接用フラックス入りワイヤ |
JP3027313B2 (ja) * | 1995-03-31 | 2000-04-04 | 株式会社神戸製鋼所 | オーステナイト系ステンレス鋼用フラックス入りワイヤ |
EP1647351A1 (de) * | 2004-10-18 | 2006-04-19 | Lincoln Global, Inc. | Selbstabgeschirmte Schweisselektrode mit Flussmittelkern |
KR20170088762A (ko) * | 2016-01-25 | 2017-08-02 | 가부시키가이샤 고베 세이코쇼 | 스테인리스강 플럭스 코어드 와이어 |
Also Published As
Publication number | Publication date |
---|---|
KR102479893B1 (ko) | 2022-12-20 |
EP3691823B1 (de) | 2023-05-24 |
EP3466585A1 (de) | 2019-04-10 |
JP2020535976A (ja) | 2020-12-10 |
KR20200060752A (ko) | 2020-06-01 |
EP3691823A1 (de) | 2020-08-12 |
JP7224357B2 (ja) | 2023-02-17 |
PT3691823T (pt) | 2023-06-26 |
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